The Kuk Swamp Site, New Guinea, from the UNESCO World Heritage List:https://whc.unesco.org/en/list/887
The Doggerland Project:https://log.doggerland.net/
Cahokia Mounds State Historic Site, Illinois:https://cahokiamounds.org/
El Niño information from the U.S. Geological Survey:https://walrus.wr.usgs.gov/elnino/
NOAA Paleoclimatology Program and World Data Center for Paleoclimatology:https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/tree-ring
Cave archaeology and GIS; case studies from the ESRI website:https://www.esri.com/industries/cavekarst/business/cave-archaeology.htmlhttps://www.esri.com/industries/cavekarst/business/case-studies.html
Pollen images:https://www.geo.arizona.edu/palynology/polonweb.html
Neotoma Paleoecology Database:www.neotoma.org